Reserveage Nutrition's Resveratrol Chews delivers antioxidant protection in our proprietary blend that combines the finest wildcrafted Japanese Knotweed Extract (Polygonum cuspidatum) combined with organic French red wine grapes and organic Muscatine grapes. Our award-winning Pro-Longevity Factors Blend is designed to support and help activate the SIRT1 longevity gene, provide cell rejuvenation and offer important antioxidant protection.